699 lines
20 KiB
Lua
699 lines
20 KiB
Lua
-- Elua lualian module
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local cutil = require("cutil")
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local util = require("util")
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local log = require("eina.log")
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local eolian = require("eolian")
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local M = {}
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local dom
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cutil.init_module(function()
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dom = log.Domain("lualian")
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if not dom:is_valid() then
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log.err("Could not register log domain: lualian")
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error("Could not register log domain: lualian")
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end
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end, function()
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dom:unregister()
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dom = nil
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end)
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local int_builtin = {
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["byte" ] = true, ["short"] = true, ["int"] = true, ["long"] = true,
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["llong"] = true,
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["int8" ] = true, ["int16"] = true, ["int32"] = true, ["int64"] = true,
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["int128"] = true,
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["intptr"] = true
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}
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local num_others = {
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["size" ] = true, ["ssize" ] = true, ["ptrdiff"] = true,
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["float"] = true, ["double"] = true, ["ldouble"] = true
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}
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local is_num = function(x)
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if num_others [x ] then return true end
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if int_builtin[x ] then return true end
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if int_builtin["u" .. x] then return true end
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return false
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end
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local known_out = {
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["Evas_Coord"] = function(expr) return ("tonumber(%s)"):format(expr) end,
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["bool"] = function(expr) return ("((%s) ~= 0)"):format(expr) end,
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["char"] = function(expr) return ("string.char(%s)"):format(expr) end
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}
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local known_in = {
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["Evas_Coord"] = function(expr) return expr end,
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["bool"] = function(expr) return expr end
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}
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local known_ptr_out = {
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["const char"] = function(expr) return ("ffi.string(%s)"):format(expr) end
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}
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local known_ptr_in = {
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["const char"] = function(expr) return expr end
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}
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local convfuncs = {}
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local build_calln = function(tps, expr, isin)
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local funcn = "__convert_type_wip"
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convfuncs[funcn] = true
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return table.concat {
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funcn, "(", expr, ")"
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}
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end
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local typeconv_in = function(tps, expr)
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if tps:type_get() == eolian.type_type.POINTER then
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local base = tps:base_type_get()
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local f = known_ptr_in[base:c_type_get()]
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if f then return f(expr) end
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return build_calln(tps, expr, true)
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end
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local tp = tps:name_get()
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if is_num(tp) then return expr end
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local f = known_in[tp]
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if f then
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return f(expr)
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end
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return build_calln(tps, expr, true)
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end
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local typeconv = function(tps, expr, isin)
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if isin then
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return typeconv_in(tps, expr)
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end
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if tps:type_get() == eolian.type_type.POINTER then
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local base = tps:base_type_get()
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local f = known_ptr_out[base:c_type_get()]
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if f then return f(expr) end
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return build_calln(tps, expr, false)
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end
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local tp = tps:name_get()
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if is_num(tp) then
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return ("tonumber(%s)"):format(expr)
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end
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local f = known_out[tp]
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if f then
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return f(expr)
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end
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return build_calln(tps, expr, false)
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end
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local Node = util.Object:clone {
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generate = function(self, s)
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end,
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gen_children = function(self, s)
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local len = #self.children
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local evs = self.events
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local evslen
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if evs then evslen = #evs end
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local hasevs = evs and evslen > 0
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for i, v in ipairs(self.children) do
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v.parent_node = self
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v:generate(s, (not hasevs) and (i == len))
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end
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if hasevs then
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s:write(" events = {\n")
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for i, v in ipairs(evs) do
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v.parent_node = self
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v:generate(s, i == evslen)
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end
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s:write(" }\n")
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end
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end
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}
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local Method = Node:clone {
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__ctor = function(self, meth)
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self.method = meth
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end,
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gen_proto = function(self)
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if self.cached_proto then return self.cached_proto end
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local meth = self.method
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local pars = meth:parameters_get()
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local rett = meth:return_type_get(eolian.function_type.METHOD)
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local proto = {
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name = meth:name_get()
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}
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proto.ret_type = rett and rett:c_type_get() or "void"
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local args, cargs, vargs = { "self" }, {}, {}
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proto.args, proto.cargs, proto.vargs = args, cargs, vargs
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local rets = {}
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proto.rets = rets
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local allocs = {}
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proto.allocs = allocs
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proto.full_name = meth:full_c_name_get(self.parent_node.prefix)
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local dirs = eolian.parameter_dir
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local fulln = proto.full_name
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if rett then
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rets[#rets + 1] = typeconv(rett, "v", false)
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end
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for v in pars do
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local dir, tps, nm = v:direction_get(), v:type_get(), v:name_get()
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local tp = tps:c_type_get()
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if dir == dirs.OUT or dir == dirs.INOUT then
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if dir == dirs.INOUT then
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args[#args + 1] = nm
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end
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cargs [#cargs + 1] = tp .. " *" .. nm
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vargs [#vargs + 1] = nm
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allocs[#allocs + 1] = { tp, nm, (dir == dirs.INOUT)
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and typeconv(tps, nm, true) or nil }
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rets [#rets + 1] = typeconv(tps, nm .. "[0]", false)
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else
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args [#args + 1] = nm
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cargs [#cargs + 1] = tp .. " " .. nm
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vargs [#vargs + 1] = typeconv(tps, nm, true)
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end
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end
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if #cargs == 0 then cargs[1] = "void" end
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self.cached_proto = proto
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return proto
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end,
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generate = function(self, s, last)
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local proto = self:gen_proto()
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s:write(" ", proto.name, proto.suffix or "", " = function(",
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table.concat(proto.args, ", "), ")\n")
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s:write( " eo.__do_start(self, __class)\n")
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for i, v in ipairs(proto.allocs) do
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s:write(" local ", v[2], " = ffi.new(\"", v[1], "[1]\")\n")
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end
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local genv = (proto.ret_type ~= "void")
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s:write(" ", genv and "local v = " or "", "__lib.",
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proto.full_name, "(", table.concat(proto.vargs, ", "), ")\n")
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s:write(" eo.__do_end()\n")
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if #proto.rets > 0 then
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s:write(" return ", table.concat(proto.rets, ", "), "\n")
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end
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s:write(" end", last and "" or ",", last and "\n" or "\n\n")
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end,
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gen_ffi = function(self, s)
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local proto = self:gen_proto()
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local cproto = {
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" ", proto.ret_type, " ", proto.full_name, "(",
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table.concat(proto.cargs, ", "), ");\n"
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}
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s:write(table.concat(cproto))
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end,
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gen_ctor = function(self, s)
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end
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}
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local Property = Method:clone {
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__ctor = function(self, prop, ftype)
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self.property = prop
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self.isget = (ftype == eolian.function_type.PROP_GET)
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self.ftype = ftype
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end,
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gen_proto = function(self)
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if self.cached_proto then return self.cached_proto end
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local prop = self.property
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local keys = prop:property_keys_get():to_array()
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local vals = prop:property_values_get():to_array()
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local rett = prop:return_type_get(self.ftype)
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local proto = {
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name = prop:name_get(),
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suffix = (self.isget and "_get" or "_set")
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}
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proto.ret_type = rett or "void"
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local args, cargs, vargs = { "self" }, {}, {}
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proto.args, proto.cargs, proto.vargs = args, cargs, vargs
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local rets = {}
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proto.rets = rets
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local allocs = {}
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proto.allocs = allocs
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proto.full_name = prop:full_c_name_get(self.parent_node.prefix)
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.. proto.suffix
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local dirs = eolian.parameter_dir
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local fulln = proto.full_name
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if #keys > 0 then
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local argn = (#keys > 1) and "keys" or "key"
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for i, v in ipairs(keys) do
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local nm = v:name_get()
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local tps = v:type_get()
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local tp = tps:c_type_get()
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cargs [#cargs + 1] = tp .. " " .. nm
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vargs [#vargs + 1] = typeconv(tps, argn .. "[" .. i
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.. "]", true)
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end
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args[#args + 1] = argn
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end
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proto.kprop = #keys > 0
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if #vals > 0 then
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if self.isget then
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if #vals == 1 and not rett then
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local tps = vals[1]:type_get()
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proto.ret_type = tps:c_type_get()
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rets[#rets + 1] = typeconv(tps, "v", false)
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else
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for i, v in ipairs(vals) do
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local dir, tps, nm = v:direction_get(), v:type_get(),
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v:name_get()
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local tp = tps:c_type_get()
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cargs [#cargs + 1] = tp .. " *" .. nm
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vargs [#vargs + 1] = nm
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allocs[#allocs + 1] = { tp, nm }
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rets [#rets + 1] = typeconv(tps, nm .. "[0]", false)
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end
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end
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else
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local argn = (#keys > 1) and "vals" or "val"
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args[#args + 1] = argn
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for i, v in ipairs(vals) do
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local dir, tps, nm = v:direction_get(), v:type_get(),
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v:name_get()
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local tp = tps:c_type_get()
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cargs[#cargs + 1] = tp .. " " .. nm
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vargs[#vargs + 1] = typeconv(tps, argn .. "[" .. i .. "]",
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true)
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end
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end
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end
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if #cargs == 0 then cargs[1] = "void" end
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self.cached_proto = proto
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return proto
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end,
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gen_ctor = function(self, s)
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local proto = self:gen_proto()
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s:write(" ", "self:define_property",
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proto.kprop and "_key(" or "(", '"', proto.name, '", ')
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if self.isget then
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s:write("self.", proto.name, "_get, nil)\n")
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else
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s:write("nil, self.", proto.name, "_set)\n")
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end
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end
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}
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local Event = Node:clone {
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__ctor = function(self, ename, etype, edesc)
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self.ename = ename
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self.etype = etype
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self.edesc = edesc
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end,
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gen_ffi_name = function(self)
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local ffin = self.cached_ffi_name
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if ffin then return ffin end
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ffin = table.concat {
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"_", self.parent_node.klass:name_get():upper(), "_EVENT_",
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self.ename:gsub("%W", "_"):upper()
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}
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self.cached_ffi_name = ffin
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return ffin
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end,
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generate = function(self, s, last)
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s:write(" [\"", self.ename, "\"] = __lib.",
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self:gen_ffi_name(), last and "\n" or ",\n")
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end,
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gen_ffi = function(self, s)
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s:write(" extern const Eo_Event_Description ",
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self:gen_ffi_name(), ";\n")
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end,
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gen_ctor = function(self, s)
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end
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}
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local Constructor = Method:clone {
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generate = function(self, s, last)
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local proto = self:gen_proto()
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local name = proto.name
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local defctor = name == "constructor"
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table.insert(proto.args, 2, "parent")
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s:write(" __define_properties = function(self, proto)\n")
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self.parent_node:gen_ctor(s)
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s:write(" proto.__define_properties(self, proto.__proto)\n")
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s:write(" end,\n\n")
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s:write(" ", defctor and "__ctor" or name, " = function(",
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table.concat(proto.args, ", "), ")\n")
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if not defctor then
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s:write(" self = self:clone()\n")
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end
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s:write(" self:__define_properties(self.__proto.__proto)\n")
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for i, v in ipairs(proto.allocs) do
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s:write(" local ", v[2], " = ffi.new(\"", v[1], "[1]\")\n")
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end
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local genv = (proto.ret_type ~= "void")
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local cvargs = table.concat(proto.vargs, ", ")
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if cvargs ~= "" then cvargs = ", " .. cvargs end
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s:write(" ", genv and "local v = " or "", "eo.__ctor_common(",
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"self, __class, parent, __lib.", proto.full_name, cvargs, ")\n")
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if not defctor then
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table.insert(proto.rets, 1, "self")
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end
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if #proto.rets > 0 then
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s:write(" return ", table.concat(proto.rets, ", "), "\n")
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end
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s:write(" end", last and "" or ",", last and "\n" or "\n\n")
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end
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}
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local Default_Constructor = Node:clone {
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generate = function(self, s, last)
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s:write(" __define_properties = function(self, proto)\n")
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self.parent_node:gen_ctor(s)
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s:write(" proto.__define_properties(self, proto.__proto)\n")
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s:write(" end,\n\n")
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s:write( " __ctor = function(self, parent)\n")
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s:write(" self:__define_properties(self.__proto.__proto)\n")
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s:write(" eo.__ctor_common(self, __class, parent)\n")
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s:write(" end", last and "" or ",", last and "\n" or "\n\n")
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end,
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gen_ffi = function(self, s)
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end,
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gen_ctor = function(self)
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end
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}
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local Mixin = Node:clone {
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__ctor = function(self, klass, ch, evs)
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self.klass = klass
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self.prefix = klass:eo_prefix_get()
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self.children = ch
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self.events = evs
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end,
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generate = function(self, s)
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dom:log(log.level.INFO, " Generating for interface/mixin: "
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.. self.klass:full_name_get())
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s:write("ffi.cdef [[\n")
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self:gen_ffi(s)
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s:write("]]\n\n")
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local nspaces = self.klass:namespaces_get():to_array()
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local mname
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if #nspaces > 1 then
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local lnspaces = {}
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for i = 2, #nspaces do
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lnspaces[i] = '"' .. nspaces[i]:lower() .. '"'
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end
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s:write("local __M = util.get_namespace(M, { ",
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table.concat(lnspaces, ", "), " })\n")
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mname = "__M"
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else
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mname = "M"
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end
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s:write(([[
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local __class = __lib.%s_class_get()
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%s.%s = eo.class_register("%s", {
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]]):format(self.prefix, mname, self.klass:name_get(),
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self.klass:full_name_get()))
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self:gen_children(s)
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s:write("})\n")
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end,
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gen_ffi = function(self, s)
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s:write(" const Eo_Class *", self.prefix, "_class_get(void);\n")
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for i, v in ipairs(self.children) do
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v.parent_node = self
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v:gen_ffi(s)
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end
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if self.events then
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for i, v in ipairs(self.events) do
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v.parent_node = self
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v:gen_ffi(s)
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end
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end
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end,
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gen_ctor = function(self, s)
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for i, v in ipairs(self.children) do
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v.parent_node = self
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v:gen_ctor(s)
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end
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end
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}
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local Class = Node:clone {
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__ctor = function(self, klass, parent, mixins, ch, evs)
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self.klass = klass
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self.parent = parent
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self.interfaces = interfaces
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self.mixins = mixins
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self.prefix = klass:eo_prefix_get()
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self.children = ch
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self.events = evs
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end,
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generate = function(self, s)
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dom:log(log.level.INFO, " Generating for class: "
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.. self.klass:full_name_get())
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s:write("ffi.cdef [[\n")
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self:gen_ffi(s)
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s:write("]]\n\n")
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local nspaces = self.klass:namespaces_get():to_array()
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local mname
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if #nspaces > 1 then
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local lnspaces = {}
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for i = 2, #nspaces do
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lnspaces[i] = '"' .. nspaces[i]:lower() .. '"'
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end
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s:write("local __M = util.get_namespace(M, { ",
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table.concat(lnspaces, ", "), " })\n")
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mname = "__M"
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else
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mname = "M"
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end
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s:write(([[
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local __class = __lib.%s_class_get()
|
|
local Parent = eo.class_get("%s")
|
|
%s.%s = eo.class_register("%s", Parent:clone {
|
|
]]):format(self.prefix, self.parent, mname, self.klass:name_get(),
|
|
self.klass:full_name_get()))
|
|
|
|
self:gen_children(s)
|
|
|
|
s:write("})")
|
|
|
|
for i, v in ipairs(self.mixins) do
|
|
s:write(("\nM.%s:mixin(eo.class_get(\"%s\"))\n")
|
|
:format(ename, v))
|
|
end
|
|
end,
|
|
|
|
gen_ffi = Mixin.gen_ffi,
|
|
gen_ctor = Mixin.gen_ctor
|
|
}
|
|
|
|
local File = Node:clone {
|
|
__ctor = function(self, fname, klass, libname, ch)
|
|
self.fname = fname:match(".+/(.+)") or fname
|
|
self.klass = klass
|
|
self.libname = libname
|
|
self.children = ch
|
|
end,
|
|
|
|
generate = function(self, s)
|
|
dom:log(log.level.INFO, "Generating for file: " .. self.fname)
|
|
dom:log(log.level.INFO, " Class : "
|
|
.. self.klass:full_name_get())
|
|
|
|
local modn = ("require(\"%s\")"):format(self.klass:namespaces_get()()
|
|
:lower())
|
|
|
|
s:write(([[
|
|
-- EFL LuaJIT bindings: %s (class %s)
|
|
-- For use with Elua; automatically generated, do not modify
|
|
|
|
local cutil = require("cutil")
|
|
local util = require("util")
|
|
local eo = require("eo")
|
|
|
|
local M = ...
|
|
|
|
local __lib
|
|
|
|
local init = function()
|
|
__lib = util.lib_load("%s")
|
|
end
|
|
|
|
local shutdown = function()
|
|
util.lib_unload("%s")
|
|
end
|
|
|
|
cutil.init_module(init, shutdown)
|
|
|
|
]]):format(self.fname, self.klass:full_name_get(), self.libname, self.libname))
|
|
|
|
self:gen_children(s)
|
|
|
|
s:write([[
|
|
|
|
return M
|
|
]])
|
|
|
|
local first = true
|
|
for name, v in pairs(convfuncs) do
|
|
if first then
|
|
print("\nRequired conversion functions:")
|
|
first = false
|
|
end
|
|
print(" " .. name)
|
|
end
|
|
end
|
|
}
|
|
|
|
local gen_contents = function(klass)
|
|
local cnt = {}
|
|
local ft = eolian.function_type
|
|
-- first try properties
|
|
local props = klass:functions_get(ft.PROPERTY):to_array()
|
|
for i, v in ipairs(props) do
|
|
if v:scope_get() == eolian.object_scope.PUBLIC then
|
|
local ftype = v:type_get()
|
|
local fread = (ftype == ft.PROPERTY or ftype == ft.PROP_GET)
|
|
local fwrite = (ftype == ft.PROPERTY or ftype == ft.PROP_SET)
|
|
if fwrite then
|
|
cnt[#cnt + 1] = Property(v, ft.PROP_SET)
|
|
end
|
|
if fread then
|
|
cnt[#cnt + 1] = Property(v, ft.PROP_GET)
|
|
end
|
|
end
|
|
end
|
|
-- then methods
|
|
local meths = klass:functions_get(ft.METHOD):to_array()
|
|
for i, v in ipairs(meths) do
|
|
if v:scope_get() == eolian.object_scope.PUBLIC then
|
|
cnt[#cnt + 1] = Method(v)
|
|
end
|
|
end
|
|
-- and constructors
|
|
local ctors = klass:functions_get(ft.CTOR):to_array()
|
|
for i, v in ipairs(ctors) do
|
|
cnt[#cnt + 1] = Constructor(v)
|
|
end
|
|
if #ctors == 0 then
|
|
cnt[#cnt + 1] = Default_Constructor()
|
|
end
|
|
-- events
|
|
local evs = {}
|
|
local events = klass:events_get():to_array()
|
|
for i, v in ipairs(events) do
|
|
evs[#evs + 1] = Event(v:name_get(), v:type_get(), v:description_get())
|
|
end
|
|
return cnt, evs
|
|
end
|
|
|
|
local gen_mixin = function(kliass)
|
|
return Mixin(klass, gen_contents(klass))
|
|
end
|
|
|
|
local gen_class = function(klass)
|
|
local inherits = klass:inherits_get()
|
|
local parent
|
|
local mixins = {}
|
|
local ct = eolian.class_type
|
|
for v in inherits do
|
|
local tp = eolian.class_get_by_name(v):type_get()
|
|
if tp == ct.REGULAR or tp == ct.ABSTRACT then
|
|
if parent then
|
|
error(klass:full_name_get() .. ": more than 1 parent!")
|
|
end
|
|
parent = v
|
|
elseif tp == ct.MIXIN or tp == ct.INTERFACE then
|
|
mixins[#mixins + 1] = v
|
|
else
|
|
error(klass:full_name_get() .. ": unknown inherit " .. v)
|
|
end
|
|
end
|
|
return Class(klass, parent, mixins, gen_contents(klass))
|
|
end
|
|
|
|
M.include_dir = function(dir)
|
|
if not eolian.directory_scan(dir) then
|
|
error("Failed including directory: " .. dir)
|
|
end
|
|
end
|
|
|
|
M.load_eot_files = function()
|
|
return eolian.all_eot_files_parse()
|
|
end
|
|
|
|
M.system_directory_scan = function()
|
|
return eolian.system_directory_scan()
|
|
end
|
|
|
|
M.generate = function(fname, libname, fstream)
|
|
if not eolian.eo_file_parse(fname) then
|
|
error("Failed parsing file: " .. fname)
|
|
end
|
|
if not eolian.database_validate() then
|
|
error("Failed validating database.")
|
|
end
|
|
local sfn = fname:match(".*[\\/](.+)$") or fname
|
|
local klass = eolian.class_get_by_file(sfn)
|
|
local tp = klass:type_get()
|
|
local ct = eolian.class_type
|
|
local cl
|
|
if tp == ct.MIXIN or tp == ct.INTERFACE then
|
|
cl = gen_mixin(klass)
|
|
elseif tp == ct.REGULAR or tp == ct.ABSTRACT then
|
|
cl = gen_class(klass)
|
|
else
|
|
error(klass:full_name_get() .. ": unknown type")
|
|
end
|
|
File(fname, klass, libname, { cl }):generate(fstream or io.stdout)
|
|
end
|
|
|
|
return M
|